Dual-Section Vacuum Hose Cuff for Universal Inlet Valve Compatibility
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Solution Overview
Problem
Existing hose cuffs for central vacuum systems are not compatible with different inlet valves, leading to potential loss of suction or improper retention, as they are designed to work with specific valve types only.
Innovation Solution
A hose cuff with a dual-section design, featuring a metal and non-metal portion that can interact with multiple types of inlet valves, including a first section for a primary valve and a second section for secondary valves, ensuring secure connection and maintaining suction across various valve configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a hose cuff is designed to interact with a specific inlet valve type, then the connection is secure and suction is maintained for that valve type, but the hose cuff becomes incompatible with other inlet valve types
Solution Approach 1:
The hose cuff is designed with a universal interface that can interact with multiple types of inlet valves (pin-type, locking mechanism, snap-fit). The cuff incorporates multiple interaction points and structural features that enable it to securely connect to different valve configurations, making a single hose cuff compatible across various valve types rather than requiring different cuffs for each valve type.
Solution Approach 2:
The hose cuff is divided into distinct functional sections: a first section with a first interaction point for engaging with inlet valve features, and a second section with a second interaction point for engaging with different inlet valve features. This segmentation allows each section to be optimized for specific valve types while the overall cuff remains versatile.
2Adaptability or versatility
If a hose cuff is designed with multiple interaction points for different inlet valves, then compatibility with various valve types is achieved, but the device complexity increases
Solution Approach 1:
Multiple functional features are merged into a single integrated hose cuff structure. The cuff combines different interaction points, sealing surfaces, and engagement mechanisms in one unified component rather than using separate adapters or accessories for different valve types. This merging achieves versatility without proportionally increasing complexity.
3Reliability
If inlet valves are equipped with locking mechanisms to secure the hose, then the hose is retained securely, but not all inlet valves have locking mechanisms and compatibility issues arise
Solution Approach 1:
The hose cuff incorporates different local features at different sections to interact with specific valve types. The first section may have features optimized for locking mechanisms while the second section has features for snap-fit or pin-type valves. Each local area is tailored to its specific interaction requirement while the overall cuff remains a unified component.
Data Source
AI summary
A hose cuff on a vacuum hose for connection with at least one inlet valve of a central vacuum system includes a first end, a second end opposite the first end, a longitudinal axis between the first end and the second end, a first section adjacent to the first end, and a second section adjacent to the second end. The first section is adapted to connect to a first inlet valve and the second section is adapted to connect to a different second inlet valve. The first section includes a metal portion adapted to contact pins of the first inlet valve.